The French prepositions depuis, pendant, and—far less commonly—pour each express the duration of an event a little differently, with the result that many English speakers mix up depuis and pendant and overuse pour. This lesson explains the different meanings and uses for each preposition.
Depuis means "since" or "for." It is used with a French verb in the present tense to talk about an action that began in the past and continues in the present. In English, this is indicated